Problem: Three pure compounds are formed when 1.00-g samples of element X combine with, respectively, 0.472 g, 0.315 g , and 0.944 g of element Z. The first compound has the formula X2 Z3.Find the empirical formula of the third compound.

FREE Expert Solution

Given: X2Z3

Ratio: 2 mol X : 3 mol Z

Calculate the empirical mass of X and Z:

1.00 g2 mol = 0.5 g/mol X

0.472 g3 mol = 0.157 g/mol Z


Calculate moles X and Z in the third compound:

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Problem Details

Three pure compounds are formed when 1.00-g samples of element X combine with, respectively, 0.472 g, 0.315 g , and 0.944 g of element Z. The first compound has the formula X2 Z3.

Find the empirical formula of the third compound.

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